4"~8" DTH Hammer High Air Pressure QL series with long life span
QL DTH hammers are designed to operate effciently at low air pressures and medium air pressures,using QL series bits. With professional manufacturing experience in DTH hammer production, our factory can supply you with high pressure and medium to low pressure DTH hammers. It strictly matches with API standard and other Chinese industry standards.It is durable for being produced with advanced craftwork and good material.
QL 40 Hammer parameter
| Lengtgh (Without bit) | Weight (Without bit) | External diameter | Bit Shank | Hole Range | Connection Thread (Top sub- drill pipe) |
| 1103mm | 42.6kg | ɸ99mm | QL40 | ɸ110mm-ɸ130mm | API 2 3/8" Reg |
| Working Pressure | Impact rate at 14bar (reference) | Speed recommended | Pull force recommended | Reference Air consumption(m3/min) |
| 10-25Bar | 28Hz | 30-70rpm | 8.0kN | 14Bar | 17.2Bar | 20.7Bar | 24Bar |
| 7.4 | 9.8 | 12.3 | 15.0 |
| Technical Data |
| | QL40 | QL50 | QL60 | QL80 |
Length
(Without Bit) | 955mm | 1050mm | 1110mm | 1330mm |
| Weight (Without Bit) | 40.00 kg | 67.00 kg | 92.00 kg | 171.00kg |
| External Diameter | 99mm | 126mm | 146/148mm | 180/185mm |
| Bit Shank | QL40 | QL50 | QL60 | QL80 |
| Hole Range | 110-135 mm | 110-135 mm | 155-190 mm | |
| Connect ion Thread | API 2 3/8”Reg | API 2 3/8”Reg API 3 1/2”Reg API 2 7/8”Reg | API 3 1/2”Reg API 2 7/8”Reg | API 4 1/2”Reg |
| Working Pressure7 | 1.2-2.0 Mpa | 1.3-2.3Mpa | 1.5-2.5Mpa | 1.8-3.0Mpa |
| Inpact Rate at 17 Bar | 30HZ | 27HZ | 25HZ | 22HZ |
| Reccfurended Rotation Speed | 25-40 "min | 25-40 r/min | 20-35 r/min |
| Air Consunption | 1.0Mpa :4.5 m3/min | 1.0Mpa :6m3/min | 1.0Mpa:9 m3/min |
| 1.5Mpa:9.0m3/min | 1.8Mpa:10m3/min | 1.8Mpa:15m3/min |
| | 2.4Mpa:15m3/min | 2.4Mpa:23m3/min
|
Main Features:
Packing:
High Air Pressure DTH hammers(3''-12'') we can offer:
1.ND(DHD Shank) series high air pressure DTH hammer includes:DHD3.5,DHD340,DHD350R,DHD360,DHD380,DHD1120
2.QL series high air pressure DTH hammer includes:QL40,QL50,QL60,QL80
3.SD series high air pressure DTH hammer includes:SD4,SD5,SD6,SD8,SD10,SD12
4.NUMA series high air pressure DTH hammer includes:NUMA100,NUMA120,NUMA125
5.COP series high air pressure DTH hammer includes:COP44,COP54,COP64,COP84
Connect Thread : API 2 3/8" , API 3 1/2 , Reg-6 5/8"Reg etc.
Company Information:
The MIROC® Rock Drilling Tools product line by KSQ Tecnologies (Beijing) Co.Ltd. is the result of years of advanced engineering, precision manufacturing,and dedication to the use of high quality materials.MIROC® Rock Drilling Tools are used by many drilling professionals related tomining, construction, tunneling, and quarrying projects around the globe.
KSQ Technologies (Beijing) Co. Ltd. provides exceptional technical know-how in development, production, and application. The company has adopted advanced manufacturing processes to ensure high quality steels and tungsten carbide inserts for its rock drilling accessories. Its personnel understand clients’ drilling needs, and have the service skills to recommend the right drilling tools for the job. Its experienced product developers can also create custom tools. Furthermore, the company’s development team introduces innovative products each year – tools that are rigorously tested in the field and proven to perform beyond industry expectations.
MIROC® Rock Drilling Tools include:
Top Hammer Drilling Tools
Down-the-hole (DTH) Drilling Tools
PDC Bits
Tricone Bits
Product Tags:
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4"~8" DTH Hammer High Air Pressure QL Series With Long Life Span Images
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